| Wattrelos | Wattrelos |
| Watts Bar Nuclear Generating Station | Centrale nucléaire de Watts Bar |
| Wattwil | Wattwil |
| Wauwil | Wauwil |
| WAV | WAVEform audio format |
| wave | flotter |
| Wave away | Se défausser |
| wave band | bande de fréquences |
| Wave energy | Énergie des vagues |
| Wave motion | Mouvement ondulatoire |
| Wave plate | Lame à retard |
| Wave propagation | Propagation des ondes |
| WaveBird | Wavebird |
| wavefunction | fonction d'onde |
| waveguide | guide d'onde |
| wavelength | longueur d'onde |
| Wavelength dispersive X-ray spectroscopy | Spectrométrie de fluorescence X |
| wavelet | ondelette |
| Wavelet compression | Compression par ondelettes |
| wavelike | ondulatoire |
| Wavellite | Wavellite |
| waver | chanceler |
| waver between two things | hésiter beaucoup entre deux choses |
| Waves in plasmas | Onde de plasma |
| Waville | Waville |
| waving | agité |
| Wavre | Wavre |
| wavy | agité |
| Wawel | Wawel |
| Wawel Cathedral | Basilique-cathédrale Saints Stanislas et Venceslas de Cracovie |
| Wawer | Wawer |
| wax | cérumen |
| wax candle | bougie |
| Wax polish | Cire |
| Wax tablet | Tablette de cire |
| Wax taper | Allumette |
| wax-myrthe | cirier-ière |
| Waxahachie | Waxahachie |
| waxed paper | papier paraffiné |
| waxing | épilation à la cire |
| Waxweiler | Waxweiler |
| waxwing | jaseur |
| waxwork | personnage en cire |
| waxy | jaunâtre |
| way | loin de |
| way back | il y a bien longtemps |
| way back then | alors |
| Way of Former Heaven | Nouvelles religions chinoises |
| way of life | mode de vie |
| Way of looking at things | Façon de penser |
| way of talking | façon de parler |
| Way of the Cross | chemin de croix |
| Way of the Dragon | La Fureur du dragon |
| Way Out West | Laurel et Hardy au Far West |
| way there | chemin de l'aller |
| way to go | bien joué ! |
| Way up | Ascension |
| Wayang | Wayang kulit |
| waybill | récépissé |
| wayfarer | voyageur |
| Wayland Smith | Völund |
| waylay | guetter |
| wayleave | droit de passage |
| Waylon Smithers | Waylon Smithers |
| Wayne | Wayne |
| Wayne Allard | Wayne Allard |
| Wayne County | Comté de Wayne |
| Wayne Gretzky | Wayne Gretzky |
| Wayne Rooney | Wayne Rooney |
| ways | habitudes |
| Wayuu | Wayuu |
| Wayuu language | Wayuu |
| wayward | capricieux |
| Waza National Park | Parc national de Waza |
| Waziristan | Waziristan |
| Wałbrzych | Wałbrzych |
| WB | WB |
| WC stars | Etoile WC |
| WCN stars | Etoile WCN |
| WCW Monday Nitro | WCW Monday Nitro |
| WDR Symphony Orchestra Cologne | Orchestre symphonique de la WDR de Cologne |
| we | nous |
| We Are Marshall | We are Marshall |
| We are not | Nous ne sommes pas |
| We Are the Champions | We Are the Champions |
| We Are the Night | We Are the Night |
| We Are the World | We Are the World |
| We begin | Nous commençons |
| We Die Young | We die young |
| We live | Nous vivons |
| We Love Katamari | We ♥ Katamari |
| We Own the Night | La nuit nous appartient |
| We Shall Overcome | We Shall Overcome |
| We stay | Nous vivons |
| We understand | Nous comprenons |
| We Were Soldiers | Nous étions soldats |
| We Wish You a Merry Christmas | We Wish You a Merry Christmas |
| weak | pauvre |
| Weak acid | Acide faible |
| Weak formulation | Théorème de Lax-Milgram |
| Weak G band stars | Etoile a bande G faible |
| Weak hypercharge | Hypercharge faible |
| Weak interaction | Interaction faible |
| Weak interactions | Interaction faible |
| Weak isospin | Isospin faible |
| Weak key | Clé faible |
| weak nuclear interaction | interaction nucléaire faible |
| weak spot | désavantage |
| weak verb | verbe faible |
| weak-headed | arriéré |
| weak-kneed | faible d'esprit |
| weak-minded | toqué |
| weaken | faiblir |
| weakening | diminution |
| weaker sex | sexe faible |
| weakling | faible |
| weakly | faiblement |
| weakness | défaut |
